Phelps Memorial Health Center utilizes Det Norske Veritas (DNV) as our accreditation agency. DNV Healthcare has deeming authority granted by the Centers for Medicare and Medicaid (CMS) to accredit critical access hospitals. DNV's accreditation program for critical access hospitals utilizes the NIAHO standards and a highly collaborative survey process to ensure the highest level of patient safety possible. Surveys are conducted on an annual basis and are based on specific conditions of participation as defined by CMS for critical access hospitals.